Energy stocks drift ahead of weekly supply data

SAN FRANCISCO (MarketWatch) -- Energy stocks jostled within a tight trading range at the open Thursday, with investors wary of making any bets until after the release of the weekly U.S. fuel inventory data. The reports will be issued at 10:30 a.m. Eastern, a day late to accommodate the Memorial Day holiday. Early action saw a 0.2% gain for the Amex Oil Index
XOI, +0.37%
The Amex Natural Gas Index
XNG, +0.01%
was unchanged at 517 points and the Philadelphia Oil Service Index
OSX, +0.91%
was off nearly 0.1%. July crude oil futures in New York were down 30 cents at $63.19 a barrel.

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